b strain

基本解释

Youxiang Diao, Jiehua Yang et. al. (2003) isolated an IBV 793/B strain named IBV TA03 from layer flock in a chicken house of Shandong province.
2003年刁有祥、杨杰华等从山东省某蛋鸡饲养场产蛋异常下降鸡群中分离到一株793/B传染性支气管炎毒株，命名为TA03株。
Using advanced statistical techniques, Worobey and his colleagues estimated that the subtype B strain reached Haiti sometime around 1966 and the United States around 1969.
随着高级统计技术的采用，迈克尔沃罗贝和他的同事估计大约在1966年的海地和1969年的美洲，爱滋病病毒的B类子型已发展到一个新阶段。
One UV-B tolerance strain that its extra cellular metabolites can protect it from UV-B irradiation is isolated using the two-step isolation method.
采用双定向筛选方法，筛选到一株胞外代谢产物具有紫外保护作用的抗UV-B辐射的菌株。

But against a particular strain of Influenza B, the vaccine is proving completely ineffective.
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